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TREATMENT OF ECTOPICALLY ERUPTING FIRST PERMANENT MOLAR IN CHRONIC MYELOGENOUS LEU

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Abstract

Á¦1´ë±¸Ä¡ÀÇ À̼ҸÍÃâÀº ±¹¼ÒÀû ¿øÀΰú À¯ÀüÀû ¿øÀÎÀÇ Á¶ÇÕ¿¡ ÀÇÇÑ ´Ù¾çÇÑ ¿ä¼Ò¿¡ ÀÇÇؼ­ À¯¹ßµÈ´Ù. ÁÖ±âÀûÀÎ °ËÁø°ú ¹æ»ç¼±ÇÐÀû °Ë»ç¸¦ ÅëÇØ ºñ°¡¿ªÀû À̼ҸÍÃâ·Î ÆÇ´Ü µÉ °æ¿ì, Á¦2À¯±¸Ä¡ Á¶±â »ó½Ç¿¡ ÀÇÇØ Á¦1´ë±¸Ä¡ÀÇ ±Ù½É°æ»ç³ª ȸÀü ¹× º¹ÀâÇÑ ±³Á¤ÀûÀÎ ¹®Á¦¸¦ ÀÏÀ¸Å³ ¼ö ÀÖÀ¸¹Ç·Î ÀûÀýÇÑ °³ÀÔÀÌ ÇÊ¿äÇÏ´Ù. º» Áõ·Ê´Â Ç×¾ÏÄ¡·áÀÇ ±â¿Õ·ÂÀÌ ÀÖ´Â ¸¸¼º °ñ¼ö¼º ¹éÇ÷º´ ȯ¾Æ¿¡¼­ ³ªÅ¸³­ Á¦1´ë±¸Ä¡ÀÇ À̼ҸÍÃâÀ» Halterman appliance¸¦ ÀÌ¿ëÇÏ¿© Á¤»óÀûÀÎ ¸ÍÃâ·Î À¯µµÇÒ ¼ö ÀÖ¾ú´Ù.

The ectopic eruption is defined as abnormal eruption which gives to displacement of the teeth and abnormal root resorption of adjacent teeth. The prevalence of ectopic eruption is reported to vary 2~6%, most of them are in the maxilla. Etiologic factors include narrow maxilla, large maxillary teeth, inclined eruption path of the first molar, retruded position of the maxilla and hereditary factor. Irreversible ectopic eruption where the second primary molar is lost often causes mesial tipping and rotation of the permanent molar, unfavorable occlusion and space deficiency for the second premolar. Ectopically erupted teeth should be treated early to maintain normal development of the dentition, harmony of facial growth and occlusal support. The method of the treatment are classified as follows : appliances that is positioned at the contact point for unlocking and the distal movement, fixed appliance that is connected to more than one tooth, and occlusion guiding method after disking or extraction of the second deciduous molar. A case report of a patient with bilaterally ectopic eruption of maxilla and mandible first permanent molar was present. Also, the patient who had experienced the chronic myelogenous leukemia, show various dental developmental complications. The ectopic eruption was treated with a Halterman appliance that was a effective way of correcting of ectopic eruption of the permanent first molar.

Å°¿öµå

Ectopic eruption; Chronic myelogenous leukemia

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